US2949439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride resins stabilized with boric acid-polyhydric alcohol reaction products
Assignee: Vibrantz Corp
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Filing: 1957-09-20
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Granted: 1960-08-16
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Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 Charles H Fuchsman
- 👤 Zaremsky Baruch
- 👤 Floyd R Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
COMPOSITION OF MATTER COMPRISING A CHLORINE CONTAINING VINYL RESIN SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, VINYLCHLORIDE-VINYLACETATE COPOLYMERS, AND VINYLCHORIDE-VINYLIDENE CHLORIDE COPOLYMERS AND FROM ABOUT 0.1 TO ABOUT 10 PARTS PER 100 PARTS OF SAID RESIN OF A STABILIZER, SAID STABLIZIER COMPRISING A BORATE ESTER OF A POLYHYDRIC ALCOHOL, SAID ALCOHOL CONTAINING FROM 1 TO 8 HYDROXYL GROUPS AND A PRIMARY HYDROXYL GROUP, SAID ESTER HAVING FROM 1 TO 2 FREE ACIDIC HYDROGENS PER ATOM OF BORON AND THE MOLE RATIO OF POLYHYDRIC ALCOHOL TO BORIC ACID BEING IN THE RANGE FROM 1:8 TO 8:1.
Claim 2
Dependent Claim
96 words
COMPOSITION OF MATTER COMPRISING A CHLORINE CONTAINING VINYL RESIN SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, VINYLCHLORIDE-VINYLACETATE COPOLYMERS, AND VINYLCHORIDE-VINYLIDENE CHLORIDE COPOLYMERS AND FROM ABOUT 0.1 TO ABOUT 10 PARTS PER 100 PARTS OF SAID RESIN OF A STABILIZER, SAID STABLIZIER COMPRISING A BORATE ESTER OF A POLYHYDRIC ALCOHOL, SAID ALCOHOL CONTAINING FROM 1 TO 8 HYDROXYL GROUPS AND A PRIMARY HYDROXYL GROUP, SAID ESTER HAVING FROM 1 TO 2 FREE ACIDIC HYDROGENS PER ATOM OF BORON AND THE MOLE RATIO OF POLYHYDRIC ALCOHOL TO BORIC ACID BEING IN THE RANGE FROM 1:8 TO 8:1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |